Image:Friedman-1919.jpg
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William Friedman in front of an AT&T cipher machine in 1919. Friedman solved the device in 6 weeks.
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 19:00, 24 March 2005 | 160×196 (8 KB) | Matt Crypto (Talk | contribs) | (William Friedman in front of an AT&T cipher machine in 1919. Friedman solved the device in 6 weeks. {{Fairold}}) |
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